4 inch Hatch 316 Stainless Steel Round Non Slip Inspection Deck Plate with Detachable Cover for Marine Boat Yacht

Material:316 Marine Grade Stainless Steel,which is durable, sturdy, rust-proof and durable. Fine workmanship, mirror polished, fine gloss, can provide high-quality add-ons The mirror surface has excellent gloss after polishing, is not easy to rust, and can be used for a long time.

Low profiles design ensures the safety of the deck without loss of durability.Installation is simple, no complicated operations are required.

Lost Wax process and surface polishing,clean finish, low maintenance costs.

Inner Dia.=4'; Cut-out size: 107mm/4.2"; Diameter of inner plate: 102mm / 4"; Diameter of outer ring: 139mm / 5.47"

O-ring sealed deck plates are ideal for interior and exterior applications.